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Societe d'Investissement pour le Developpement des Appareils Menagers
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Montrouge, FR
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Patent Grant
Panels for collecting solar energy
Patent number
4,233,962
Issue date
Nov 18, 1980
Societe d'Investissement pour le Developpement des Appareils Menagers
Michel Neny
F24 - HEATING RANGES VENTILATING
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Patent Grant
Products based on plaster and processes for their manufacture
Patent number
4,220,576
Issue date
Sep 2, 1980
Societe d'Investissement pour le Developpement des Appareils Menagers
Francois Tatard
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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